#define _CRT_SECURE_NO_WARNINGS	

#include<stdio.h>

int main()
{
    int a = 1;
    int b = 1;
    printf("       1       1");
    for (int i = 3; i <= 20; i++)
    {
        int c = a + b;
        printf("%8d", c);
        if (i % 5 == 0)
            printf("\n");
        a = b;
        b = c;
    }
    return 0;
}